Brake booster questions

[H2o]

So I have a 74 LC with front disks. Have all the parts to do rear disks (from poser). I just bought a 74 MC since i was hoping to keep as original as possible. But then found out that my booster was full of brake fluid and has been sitting like that for about a year. I took it apart to clean it out and am in the process of doing that now. It seems pretty clean inside but will continue to break down and see overall condition of rubber parts.

Does anyone near DC have a spare booster that would work? Alternatively, what are my options...

Can i put a disk, double walled booster from later LC with an earlier 74 MC?

 

[1911]

Alternatively, what are my options...

Can i put a disk, double walled booster from later LC with an earlier 74 MC?

Dual Diaphragm Disc Brake Booster for Land Cruiser FJ40 FJ55 FJ60

 

[FJ40Jim]

Disc brake boosters have more assist to compensate for the lack of self-servo action in disc brakes.
Since you've changed to discs all around, should be fine.